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DK0924968T3 - Gas mixture for plasma spraying and use of this mixture for plasma spraying of refractory materials - Google Patents

Gas mixture for plasma spraying and use of this mixture for plasma spraying of refractory materials

Info

Publication number
DK0924968T3
DK0924968T3 DK98403047T DK98403047T DK0924968T3 DK 0924968 T3 DK0924968 T3 DK 0924968T3 DK 98403047 T DK98403047 T DK 98403047T DK 98403047 T DK98403047 T DK 98403047T DK 0924968 T3 DK0924968 T3 DK 0924968T3
Authority
DK
Denmark
Prior art keywords
plasma spraying
mixture
refractory materials
gas mixture
plasma
Prior art date
Application number
DK98403047T
Other languages
Danish (da)
Inventor
Vincent Gourlaouen
Francis Remy
Original Assignee
Air Liquide
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Air Liquide filed Critical Air Liquide
Application granted granted Critical
Publication of DK0924968T3 publication Critical patent/DK0924968T3/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Arc Welding In General (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

A plasma-forming gas, comprising ≥ 30% helium, ≥ 55% argon and 5.5-15% hydrogen, is new. Independent claims are also included for the following: (i) a thermal spray process employing the above plasma-forming gas; and (ii) on-site production of the above plasma-forming ternary gas mixture.
DK98403047T 1997-12-10 1998-12-04 Gas mixture for plasma spraying and use of this mixture for plasma spraying of refractory materials DK0924968T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9715625A FR2772013B1 (en) 1997-12-10 1997-12-10 TERNAIRE GAS MIXTURE AND APPLICATION OF THIS MIXTURE TO PLASMA SPRAYING OF REFRACTORY MATERIALS

Publications (1)

Publication Number Publication Date
DK0924968T3 true DK0924968T3 (en) 2003-11-24

Family

ID=9514410

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98403047T DK0924968T3 (en) 1997-12-10 1998-12-04 Gas mixture for plasma spraying and use of this mixture for plasma spraying of refractory materials

Country Status (8)

Country Link
US (2) US6126858A (en)
EP (1) EP0924968B1 (en)
AT (1) ATE250843T1 (en)
CA (1) CA2255409A1 (en)
DE (1) DE69818409T2 (en)
DK (1) DK0924968T3 (en)
ES (1) ES2205417T3 (en)
FR (1) FR2772013B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19962045B4 (en) * 1999-12-22 2004-07-22 Messer Griesheim Gmbh Use of a protective root gas as forming gas
FR2813598B1 (en) * 2000-09-06 2002-10-18 Air Liquide PLASMA PROJECTION WITH TERNAIRE GAS MIXTURE
US20030035933A1 (en) * 2001-08-16 2003-02-20 Stahl Brett A. Heat applied graphics and method
US6686557B1 (en) 2002-12-19 2004-02-03 Ford Motor Company Nonflammable ternary gas mix for high pressure plasmas
FR2852541B1 (en) * 2003-03-18 2005-12-16 Air Liquide PROCESS FOR PLASMA CUTTING WITH DOUBLE GAS FLOW
DE102004026033A1 (en) * 2004-05-27 2005-12-15 Linde Ag Gas mixture for laser beam fusion cutting
DE102004061569A1 (en) 2004-12-21 2006-07-06 Linde Ag Use of a gas mixture and method of arc spraying
US20070013159A1 (en) * 2005-03-23 2007-01-18 Mestre Miquel T Knuckle and bearing assembly and process of manufacturing same
US10307852B2 (en) 2016-02-11 2019-06-04 James G. Acquaye Mobile hardbanding unit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3617349A (en) * 1969-10-20 1971-11-02 Ramsey Corp A method of making antifriction piston rings
US3958097A (en) * 1974-05-30 1976-05-18 Metco, Inc. Plasma flame-spraying process employing supersonic gaseous streams
JPS5829581A (en) * 1981-08-17 1983-02-21 Teisan Kk 3 component shielding or restraining gaseous mixture
JPS62279083A (en) * 1986-05-29 1987-12-03 Japan Steel Works Ltd:The Powder plasma padding method
US4788077A (en) * 1987-06-22 1988-11-29 Union Carbide Corporation Thermal spray coating having improved addherence, low residual stress and improved resistance to spalling and methods for producing same
FR2639346B1 (en) * 1988-11-24 1991-08-16 Gaz De France PROCESS FOR THE PRODUCTION OF (ALPHA) -OLEFINS
FR2660825B1 (en) * 1990-04-04 1996-07-19 Air Liquide PLASMAGEN GAS AND APPLICATION OF THIS GAS TO PLASMA METAL OXIDE SPRAY.
JPH06339775A (en) * 1991-07-15 1994-12-13 Nippon Steel Corp Welding method of ni-ni alloy material

Also Published As

Publication number Publication date
US6126858A (en) 2000-10-03
EP0924968B1 (en) 2003-09-24
DE69818409T2 (en) 2004-07-01
DE69818409D1 (en) 2003-10-30
ATE250843T1 (en) 2003-10-15
FR2772013A1 (en) 1999-06-11
EP0924968A1 (en) 1999-06-23
FR2772013B1 (en) 2000-01-14
ES2205417T3 (en) 2004-05-01
US6265687B1 (en) 2001-07-24
CA2255409A1 (en) 1999-06-10

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